19920086780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{479}}^1\times {\mathrm{9949}}^1$

素因数の和:10467

約数の個数: 96

約数和(自身を含む): 48142080000

約数和(自身を除く): 28221993220

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 380, 418, 479, 836, 958, 1045, 1916, 2090, 2395, 4180, 4790, 5269, 9101, 9580, 9949, 10538, 18202, 19898, 21076, 26345, 36404, 39796, 45505, 49745, 52690, 91010, 99490, 100111, 105380, 109439, 182020, 189031, 198980, 200222, 218878, 378062, 400444, 437756, 500555, 547195, 756124, 945155, 1001110, 1094390, 1890310, 2002220, 2079341, 2188780, 3780620, 4158682, 4765571, 8317364, 9531142, 10396705, 19062284, 20793410, 23827855, 41586820, 47655710, 52421281, 90545849, 95311420, 104842562, 181091698, 209685124, 262106405, 362183396, 452729245, 524212810, 905458490, 996004339, 1048425620, 1810916980, 1992008678, 3984017356, 4980021695, 9960043390, 19920086780]

約数ペア:

[(1, 19920086780), (2, 9960043390), (4, 4980021695), (5, 3984017356), (10, 1992008678), (11, 1810916980), (19, 1048425620), (20, 996004339), (22, 905458490), (38, 524212810), (44, 452729245), (55, 362183396), (76, 262106405), (95, 209685124), (110, 181091698), (190, 104842562), (209, 95311420), (220, 90545849), (380, 52421281), (418, 47655710), (479, 41586820), (836, 23827855), (958, 20793410), (1045, 19062284), (1916, 10396705), (2090, 9531142), (2395, 8317364), (4180, 4765571), (4790, 4158682), (5269, 3780620), (9101, 2188780), (9580, 2079341), (9949, 2002220), (10538, 1890310), (18202, 1094390), (19898, 1001110), (21076, 945155), (26345, 756124), (36404, 547195), (39796, 500555), (45505, 437756), (49745, 400444), (52690, 378062), (91010, 218878), (99490, 200222), (100111, 198980), (105380, 189031), (109439, 182020)]